consulate in libya as there are more calls for the united nations ambassador susan rice to resign. chief intelligence correspondent catherine herridge live in washington with more on that. >> reporter: thank you, gregg and good morning. a congressional source confirming to fox news that uav assets were quote, repositioned to establish better situational awareness on the ground and monitor at least two suspects training sites in eastern libya known to be used by foreign fighters. we're learning more details about the attack itself. the compound was reportedly assaulted on three sides with use of heavy weapons as fox was first to report, there were two waves to the attack strongly suspected inside information specifically use of mortars which hit consulate building and annex a mile away. here is republican senator bob corker this morning. they are demanding specific communications between ambassador stevens and the state department. >> at a time most americans would want to rally around our country at the death of four americans serving our country instead we've had this bizarre resp